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Table 1:
Image Size, Width and Height for Varifocal Lens
and Zoom Lens at Minimum Focusing Distance
Distance to
Screen (feet)
4
10
15
20
25
30
35
40
Diagonal
(inches)
34
84
126
168
210
252
294
336
Width
(inches)
27
67
101
134
168
202
235
269
Height
(inches)
20.4
50.4
75.6
100.8
126.
151.2
176.4
201.6
Table 2:
Image Size, Width and Height for Zoom Lens at
Maximum Focusing* Distance
Distance to
Screen (feet)
4
10
15
20
25
30
35
40
Maximum
Diagonal
(inches)
48
120
180
240
300
360
420
480
Maximum
Width
(inches)
38
96
144
192
240
288
336
384
Maximum
Height
(inches)
28.8
72
108
144
180
216
252
288
* The focusing distance of the zoom lens is from 4 feet to infinity.
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